Ayre preamp no output


Any answers on why my Ayre preamp quit giving any output signal to my amp after power company switched my meter. This would have turned off and back on my power to house. I can hook my OPPO BDP 105d direct to amp and everything plays fine. When hooking OPPO to preamp and preamp to amp nothing. All the lights and volume goes up and down on the preamp, but zero signal being sent to the amp. 
lnitm
Update on my Ayre 5-XE, got back from Ayre after they performed the MP upgrade to the unit and fixed the resistors fried by possibly a power surge from the meter being changed. 
I must say they have inceedible service and the MP upgrade is making a huge difference. 
Soundstage sounds deeper and everything more precisely placed. Vocals are slightly more relaxed and smooth and velvety. Treble improvement is i think the biggest improvement,  much more clean and extended. Bass seems more articulated as well, I can see and hear deeper into recordings and I'm sure after a few hundred hours of break in it will just get better! I dont want to turn it off. 

OP
Now that really sucks but is also kind of interesting as I would say you have a possible case for having the utility company reimburse for you for damage done to the Ayre.

When it goes in I would make sure you get a written estimate of damage and why they think it occurred, you have nothing to lose by presenting this to the utility company as a claim.
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Just curious if any surge protection device was in place when
you were done in by the power play?
Uberwaltz... had I known they were coming I would have done that, but the thing is there was no notice, letter or call they were coming around changing meters. I was at work and not home and came home to a flyer on my door what they did. Really kinda bothers me they did this without notice. 
I guess it is like shutting the stable door AFTER the horse has bolted but maybe you should have had everything powered down and unplugged BEFORE the electric utility company went to work on your supply......
Talked to Ayre and they said something must have fried, since im sending in for upgrade may be very minimal extra charge for parts to fix. 
Cant wait for the 2 upgrades with Maximum Performance upgrade. They say it makes a huge difference 
Thanks for the ideas. I tried and all i get now is sputtering/ crackling type sound not very loud thru each input all off Oppo input only. Funny I just talked to Ayre about the MP upgrade now it sure needs to go in. 
I agree with Audioconnection. And would add while it is unplugged press every button, power switch, rotate volume, input selection etc., this will drain any capacitance that may be stored and causing a processor brain fart in the unit.
Power down everything by pulling the AC black plug from the gear while its on.
 Let it sit for ten minutes and try again make sure you Oppo volume is up.
 Best JohnnyR
Wild guess!  Any possibility that an output fuse blew due to the start-up after the meter change?

I have no personal experience with Ayre gear, but have heard nothing but great things about their quality.  Hope you can figure it out!